According to the article 20 of the Swiss Stock Exchange Act, Sonova Holding AG announces that Lone Pine Capital LLC and its subsidiaries1, 2 Greenwich Plaza, Greenwich, 06830, Connecticut, USA, hold 1,994,477 registered shares with a par value of CHF 0.05 as of August 23, 2010 due to acquisition of securities. This corresponds to 3.018% of total capital and voting rights.
Contact person at Lone Pine Capital LLC: Jeffrey Wechselblatt, phone: +1 203 618 7826,
fax: +1 203 552 3826.
1Subsidiaries of Lone Pine Capital LLC:
Lone Cypress, Ltd.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Spruce, L.P.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Balsam, L.P.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Sequoia, L.P.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Kauri, Ltd.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Cascade, L.P.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Monterey Master Fund, Ltd.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America
Lone Sierra, L.P.
2 Greenwich Plaza, Greenwich, Connecticut 06830
United States of America